Home / 14,217.68-19,615.56-8,627.60

Finding the Fourth Proportional to 14,217.68, 19,615.56 and 8,627.60

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Solution

The fourth proportional to 14,217.68, 19,615.56 and 8,627.60 is: 11,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.68 : 19,615.56 = 8,627.60 : x
  2. Step 2: Convert to fraction form
    14,217.68/19,615.56 = 8,627.60/x
  3. Step 3: Cross multiply
    14,217.68x = 19,615.56 × 8,627.60
  4. Step 4: Simplify right side
    14,217.68x = 169,235,205.46
  5. Step 5: Solve for x
    x = 169,235,205.46/14,217.68
  6. Step 6: Final answer
    x = 11,903.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.